204840311008 has 24 divisors (see below), whose sum is σ = 416288376000. Its totient is φ = 99116279040.

The previous prime is 204840310993. The next prime is 204840311021. The reversal of 204840311008 is 800113048402.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103245133 + ... + 103247116.

It is an arithmetic number, because the mean of its divisors is an integer number (17345349000).

Almost surely, 2^204840311008 is an apocalyptic number.

It is an amenable number.

204840311008 is an abundant number, since it is smaller than the sum of its proper divisors (211448064992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204840311008 is a wasteful number, since it uses less digits than its factorization.

204840311008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206492290 (or 206492282 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The spelling of 204840311008 in words is "two hundred four billion, eight hundred forty million, three hundred eleven thousand, eight".